<?php

$name = $_POST['name'];
$pwd = $_POST['pwd'];

// 连接数据库
$conn = mysqli_connect('localhost', 'root', 'root', 'jimucake');

// 设置编码
mysqli_query($conn, "set charset 'utf8'");
mysqli_query($conn, "set character set 'utf8'");

// sql语句
$sql = "select * from user where name='$name' and pwd='$pwd'";

$res = mysqli_query($conn, $sql);

$count = mysqli_num_rows($res);

if ($count > 0) {
  echo json_encode(array(
    "code" => 200,
    "body" => array(
      "msg" => "登录成功"
    )
  ));
} else {
  echo json_encode(array(
    "code" => 204,
    "body" => array(
      "msg" => "用户名或密码错误"
    )
  ));
}

?>